Year	SPI (scale 0-100)
2005	44.08125
2006	46.48125
2007	47.175
2008	47.7625
2009	49.39375
2010	48.24375
2011	49.01875
2012	52.55625
2013	52.56875
2014	48.8
2015	49.48125
2016	56.05625
2017	61.4625
2018	64.275
2019	65.49375
2020	72.51875
2021	81.71875
2022	81.71875